webservice MDL-16805 fix REST server bug: empty list (<MULTIPLE></MUL…

…TIPLE>) without php error
BenKelada · Feb 9, 2010 · 17ecdd2 · 17ecdd2
1 parent 7c964cd
commit 17ecdd2
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/webservice/rest/locallib.php b/webservice/rest/locallib.php
@@ -139,8 +139,10 @@ protected static function xmlize_result($returns, $desc) {
 
         } else if ($desc instanceof external_multiple_structure) {
             $mult = '<MULTIPLE>'."\n";
-            foreach ($returns as $val) {
-                $mult .= self::xmlize_result($val, $desc->content);
+            if (!empty($returns)) {
+                foreach ($returns as $val) {
+                    $mult .= self::xmlize_result($val, $desc->content);
+                } 
             }
             $mult .= '</MULTIPLE>'."\n";
             return $mult;